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LC7538JM Dataheets PDF



Part Number LC7538JM
Manufacturers Sanyo Semicon Device
Logo Sanyo Semicon Device
Description CMOS
Datasheet LC7538JM DatasheetLC7538JM Datasheet (PDF)

Ordering number : EN4799B CMOS IC LC7538JM Electronic Volume Control System for Car Audio Overview The LC7538JM is a fully equipped electronic volume IC which permits significant reductions in externally connected components while providing ample volume, balance, loudness, fader, bass and treble control functions. • On-chip op amplifier for caching applications reduces external components. • Reduced switching noise with silicon gate CMOS processor. • All controls performed using serial data i.

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Ordering number : EN4799B CMOS IC LC7538JM Electronic Volume Control System for Car Audio Overview The LC7538JM is a fully equipped electronic volume IC which permits significant reductions in externally connected components while providing ample volume, balance, loudness, fader, bass and treble control functions. • On-chip op amplifier for caching applications reduces external components. • Reduced switching noise with silicon gate CMOS processor. • All controls performed using serial data input (CCB). Features • Volume : 81 positions ranging from 0 dB to -79 dB (in 1 dB increments) plus -∞. Separate left and right control provides excellent balance function. • Loudness : Loudness operation provided by externally attached CR to activate tap at the -20 dB position of the volume ladder resistor. • Fader : Fader function traversing 16 positions with rear or front attenuated output only (these 16 positions consist of 2 dB step intervals ranging from 0 dB to -20 dB, 5 dB step intervals ranging from -20 dB to -45 dB, plus the end settings of -60 dB and -∞). • Bass and Treble: Using externally attached C (capacitor), the LC7538JM provides bass-treble mutual 15-position control and formats a NF-form tone control circuit (LUX form). Package Dimensions unit : mm 3204-MFP36S [LC7538JM] SANYO: MFP36S Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Maximum supply voltage Maximum input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VDD max VIN max1 VIN max2 Pd max Topr Tstg Conditions VDD CL, DI, CE LTIN, RTIN, L5dBIN, R5dBIN, L1dBIN, R1dBIN, LFIN, RFIN Ta ≤ 85°C Ratings 11 VSS – 0.3 to VDD + 0.3 VSS – 0.3 to VDD + 0.3 210 –40 to +85 –50 to +125 Unit V V V mW °C °C Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 93098 HA (OT) / 83194 TH (OT) B8-0913 No. 4799-1/14 LC7538JM Allowable Operation Conditions at Ta = 25°C, VSS = 0 V Parameter Symbol Conditions min Supply voltage Input high level voltage Input low level voltage Input amplitude voltage VDD *1 VIH CL, DI, CE VIL CL, DI, CE LTIN, RTIN, L5dBIN, R5d.


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